Nous
Hermes 4 405B API pricing
Hermes 4 405B is Nous’s model on the API market, released 26 Aug 2025. Prices are per million tokens in USD, as last read from the price list.
$1.00Input / 1M
$3.00Output / 1M
131KContext
118KMax output
Specification
USD per million tokens- Provider
- Nous
- Model id
nousresearch/hermes-4-405b- Input
- $1.00
- Output
- $3.00
- Cached input
- Not published
- Context window
- 131K tokens
- Maximum output
- 118K tokens
- Takes
- text
- Returns
- text
- Tool use
- Not reported
- Reasoning
- Yes
- Released
- 26 Aug 2025
- First tracked
- 17 Sept 2026
At $1.00 per million input tokens, Hermes 4 405B is dearer than 221 of the 326 models on the price list.
Price changes
Tracked since 17 Sept 2026No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.
More from Nous
Cheapest input firstPrices and specifications come from OpenRouter’s catalogue, last read 17 Sept 2026. A provider’s own price may differ; how this is collected.